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Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
21 Nov 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes (incl. QA statement)
Remarks:
Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
115 °C
Atm. press.:
1 013 hPa
The measurements in aluminium crucibles with a hole showed an endothermal effect in the temperature range of 100 - 140 °C (melting) with an onset temperture of 115 °C followed by an exothermal effect in the temperature range of 140 - 320 °C with an energy of 124 J/g, 100 J/g and 53 J/g respectively. The onset temperature was derived from the intersection of the tangent line with the highest slope of the endothermal peak with the baseline.

The test item had a mean melting point of 115.1 °C.

 Ident-No.  Onset / °C  Temperature range / °C  Crucible
 33369  115.47  100 to 140  Aluminium with a hole
 33370  114.74  105 to 135  Aluminium with a hole
 33372  115.01  105 to 135  Aluminium with a hole

Description of key information

115.0 °C at 1013 hPa (OECD Guideline 102, DSC measurement)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
115 °C

Additional information